| 摘要 |
A journal for coupling a wheel to an axle is configured to be mounted in a bore of the wheel. The journal defines a reception space for receiving an axle. A locking element is pivotally mounted on the journal from a release position in which the axle is removable from the reception space and secured position in which a tooth of the locking element is engaged with a groove in the axle. When the tooth of the locking element is engaged in the groove withdrawal of the axle is prevented.
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